diff --git a/pom.xml b/pom.xml
index 97c6814..3a66a60 100644
--- a/pom.xml
+++ b/pom.xml
@@ -58,13 +58,13 @@
         <powermock.version>2.0.9</powermock.version>
         <!-- More visible way how to change dependency versions -->
         <spigot.version>1.17.1-R0.1-SNAPSHOT</spigot.version>
-        <bentobox.version>1.17.1</bentobox.version>
+        <bentobox.version>1.18.0-SNAPSHOT</bentobox.version>
         <!-- Revision variable removes warning about dynamic version -->
         <revision>${build.version}-SNAPSHOT</revision>
         <!-- Do not change unless you want different name for local builds. -->
         <build.number>-LOCAL</build.number>
         <!-- This allows to change between versions. -->
-        <build.version>1.18.0</build.version>
+        <build.version>1.18.1</build.version>
         <sonar.projectKey>BentoBoxWorld_Limits</sonar.projectKey>
         <sonar.organization>bentobox-world</sonar.organization>
         <sonar.host.url>https://sonarcloud.io</sonar.host.url>
@@ -210,7 +210,23 @@
                 <version>3.0.0-M5</version>
                 <configuration>
                     <argLine>
-                        --illegal-access=permit
+                        --add-opens java.base/java.lang=ALL-UNNAMED
+                        --add-opens java.base/java.math=ALL-UNNAMED
+                        --add-opens java.base/java.io=ALL-UNNAMED
+                        --add-opens java.base/java.util=ALL-UNNAMED
+                        --add-opens java.base/java.util.stream=ALL-UNNAMED
+                        --add-opens java.base/java.text=ALL-UNNAMED
+                        --add-opens java.base/java.util.regex=ALL-UNNAMED
+                        --add-opens java.base/java.nio.channels.spi=ALL-UNNAMED
+                        --add-opens java.base/sun.nio.ch=ALL-UNNAMED
+                        --add-opens java.base/java.net=ALL-UNNAMED
+                        --add-opens java.base/java.util.concurrent=ALL-UNNAMED
+                        --add-opens java.base/sun.nio.fs=ALL-UNNAMED
+                        --add-opens java.base/sun.nio.cs=ALL-UNNAMED
+                        --add-opens java.base/java.nio.file=ALL-UNNAMED
+                        --add-opens java.base/java.nio.charset=ALL-UNNAMED
+                        --add-opens java.base/java.lang.reflect=ALL-UNNAMED
+                        --add-opens java.logging/java.util.logging=ALL-UNNAMED
                     </argLine>
                 </configuration>
             </plugin>
diff --git a/src/main/java/world/bentobox/limits/events/LimitsJoinPermCheckEvent.java b/src/main/java/world/bentobox/limits/events/LimitsJoinPermCheckEvent.java
index 6d18b91..6be6962 100644
--- a/src/main/java/world/bentobox/limits/events/LimitsJoinPermCheckEvent.java
+++ b/src/main/java/world/bentobox/limits/events/LimitsJoinPermCheckEvent.java
@@ -2,6 +2,7 @@ package world.bentobox.limits.events;
 
 import org.bukkit.entity.Player;
 import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
 import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.Nullable;
 
@@ -21,6 +22,16 @@ public class LimitsJoinPermCheckEvent extends BentoBoxEvent implements Cancellab
     private IslandBlockCount ibc;
     private boolean cancel;
     private boolean ignorePerms;
+    private static final HandlerList handlers = new HandlerList();
+
+    @Override
+    public @NonNull HandlerList getHandlers() {
+        return getHandlerList();
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
 
     /**
      * Fired when a player joins the server and before limit settings for their island are changed based
diff --git a/src/main/resources/addon.yml b/src/main/resources/addon.yml
index 3e88beb..1658901 100755
--- a/src/main/resources/addon.yml
+++ b/src/main/resources/addon.yml
@@ -1,7 +1,7 @@
 name: Limits
 main: world.bentobox.limits.Limits
 version: ${version}${build.number}
-api-version: 1.17
+api-version: 1.18
 
 authors: tastybento